Improvement in limb-receivers



7 H R. ALLEN.

LIME-RECEIVER.

Patented Nov. 23,1875.

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S'rA'rEs PATENT HORACE R. ALLEN, OF INDIANAPOLIS, INDIANA.

IMPROVEMENT IN LllVlB-RECEIVERS.

Specification forming part of Letters Patent No. 170,217, dated November23, 1875; application filed February 24, 187 5.

To all whom it may concern:

Be it known that I, HORACE R. ALLEN, of Indianapolis, county of Marion,State of Indiana, have invented a new and useful Improvement inLimb-Receivers, for the treatmentof diseased limbs by vacuum, of whichthe following is a specification, reference being had to theaccompanying drawings.

My invention consists, first, of a jacket constructed and attached to avacuum-receiver, in such a manner as to form an annular heating-spaceall around the receiver, except at the bottom, which projects below thejacket far enough to allow of repairs to the bottom of thevacuum-receiver, second, in the construction and arrangement of anadjustable extension section, to be used in connection with the receiverat its upper end, to form an extension to the vacuum-chamber, or an adjustable part to be scoured on the limb before the main receiver isattached, the metallic joint between the two sections being madeair-tight by means of a rubber band.

Figure 1 represents a view of the receiver complete, showing an air-pump attached. Fi 2 is a sectional View of the receiver, annularheating-space, and jacket. Fig. 3 is an enlarged section of the pump.Fig. 4 is a sectional view of the upper section of the receiver, withthe rubber band turned back for the purpose of allowing the section tobe adjusted on the limb.

A represents the jacket, which surrounds the outside of thevacuum-chamber 0, thus leaving the annular heating-space B between them,and allowing the bottom end of the receiver to project below the jacketsufflciently far as to allow repairs in case of leakage, whichfrequently occurs at this point by corrosion of the metal. The jacketAis provided with an opening, L, through which is introduced steam orhot Water, for the purpose of warming the limbs that are inclosed in thevacuum-chamber C. The jacket A is also provided with a waste-cock, O,for the purpose of removing the water in the annular space B whenrequired. The upper end of the receiver 0 is provided with a flange,around which is secured a rubber band, K, by means of the cord H. Theupper section or adjustable extension part Gr is made of any lengthdesired, and is provided with a flange, J, which encircles the section,and rests upon the top flange of the receiver 0 when connectedtherewith, and the joint between the two sections is made air-tight bymeans of the rubber band K being turned up over the flange J. The

section G is also provided with another flange at its upper end to holdthe rubber band F, which is secured by the cord H, and operates to forman air-tight joint between the upper section G and the-limb intreatment-in the ordinary manner.

The section G is used either as an adjustable section to be placed onthe limb before the receiver 0 is connected therewith, or as anextension to the receiver U, and can be made of any desired length andform, the object being to save the expense of having so many differentsizes of receivers as would otherwise have to be made, and to economizetime in adjusting the receivers on the limbs,

1. The jacket A, surrounding the vacuumchamber G, and united therewithat the top and bottom, leaving the bottom of the receiver to projectbelow, as and for the purpose set forth and described.

2. The adjustable section G, provided with a flange, J, constructed andarranged to be used in connection with a receiver or vacuumchamber, 0,for the purpose of extension or adjustment, and made air-tight at thejoint between the two sections 0 and G by the rubber band F,substantially as set forth and described. V

In testimony whereof Iha've signed my name to this specification in thepresenceof two subscribing witnesses.

HORACE R. ALLEN. Witnesses:

SI ON P. STAHL, J OHN W. Goons.

